Objective To evaluate the effect of alcohol consumption on bone mineral density in males .Methods Association be-tween bone mineral density ,alkaline phosphatase and alcohol history ,daily alcohol consumption were analysed retrospectively in 563 men undergone physical examination .Results Of all the participates ,31 .6% has history of alcohol consumption for more than one year .The rate of osteopenia and osteoporosis was 31 .4% and 5 .9% ,respectively .The reduction of bone mineral density was posi-tively correlated with age ,length of alcohol consumption history ,daily alcohol consumption volume and the serum alkaline phospha-tase levels(P<0 .01) .The rate of osteopenia and osteoporosis were increased significantly in the males who had alcohol consump-tion history(P<0 .01) ,and paralleled with the increase of daily alcohol consumption (P<0 .01) .The alkaline phosphatase level of males with a history of alcohol consumption more than 20 years were higher than the ones without history of alcohol intake .While alkaline phosphatase level of the ones taking daily alcohol more than 50 g was higher than less than 50g or no consumption signifi-cantly(P<0 .05) .Conclusion Alcohol consumption is an important risk factor of male osteoporosis .